package cn.edu.scau.cmi.suwenpeng.chapter01;

import java.util.Scanner;

public class Test {

	public static void main(String[] args) {
		Scanner input=new Scanner(System.in);
		String i=input.next();
		String j=input.nextLine();
//		String k=input.nextLine();
 System.out.print(i);

 System.out.println();
 System.out.println(j);
 System.out.print(i);
 System.out.println(j);
// System.out.println(k);
// System.out.print(k);
	}

}
